Keysight Technologies N9030B, Service Manual

Page: 269 / 617

N9030B PXA Signal Analyzer Service Guide 269
LO Synthesizer/Reference Troubleshooting
A16 Reference Assembly Troubleshooting
Table 8-4 A16 Reference Assembly Signal Measurement Details
Signal
Description
Signal
Location
Expected
Frequency
(MHz)
Expected Power
Level
(dBm)
Special Instrument
Conditions
Figure
50 MHz
Ecal Out
A16J705 50 MHz
−
26 to
−
29 dBm
typical
While monitoring A16J705
output, place functioning
spectrum analyzer in Max
Hold. Press
System
,
Alignments
,
Align
Now
,
All
on PXA.
Figure
8-15
4.8 GHz
2nd LO Out
A16J702 4800 MHz +11 dBm
Press
Freq
,
1 GHz
,
Span
,
Zero Span
on
PXA
Figure
8-16
4.8 MHz
1st LO Ref Out
A16J703 4800 MHz +3 dBm
Press
Freq
,
50 MHz
,
Span
,
Zero Span
,
Meas Setup
,
PhNoise
Opt
,
Best Close in
PNoise
on PXA
Figure
8-17
50 MHz Ref Out A16J701 50 MHz
−
25 dBm
Press
Input/Output
,
RF
Calibrator
,
50 MHz
on
PXA
Figure
8-18
4.8 GHz Ref
Out
A16J701 4800 MHz
−
28 dBm
Press
Input/Output
,
RF
Calibrator
,
4.8 GHz
on
PXA
Figure
8-19
2.4 GHz Ref
Out
A16J718 2400 MHz +10 dBm Figure
8-20
300 MHz
LO AIF
A16J711 300 MHz +10 dBm Figure
8-21
100 MHz Ref
Output
A16J706 100 MHz +13 dBm Figure
8-22
100 MHz Ref B
Out
A16J716 100 MHz +13 dBm Figure
8-23